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learn_demos

strapi 通过某个参数查询, 比如查询slug

api?slug=***

Link

显示连接的时候会显示成as的

movie只通过了slug获取, 没有通过genre

【genre】 【slug】 可以通过以下后去 const { slug } = context.query // 斜杠和?后面的都会在query中?

getServerSideProps返回的值 return { props: { movie: data[0] }, } 可以直接在函数中解析出来 function Movie({ movie })

strapi _limit _start 来实现分页查询

打开strapi的count接口来进行个数查询

useRouter

next-seo 插件进行seo

quick source viewer

context api

const HeaderContext = createContext(null)

function ContextWrapper({children, navigation}) {
    const [menuItems] = useState(navigation)
    const [color, toggleColor] = useState(true)

    return (
        <HeaderContext.Provider value={{menuItems, color, toggleColor}}>
            {children}
        </HeaderContext.Provider>
    )
}


// 将需要context api的组件包裹起来
<ContextWrapper navigation={navigation}>
    <Navigation/>
</ContextWrapper>

// 在Navigation组件中就可以使用menuItems, color, toggleColor
function Navigation() {
    const router = useRouter()
    console.log(router)
    const { menuItems, color } = useContext(HeaderContext)

    return (
        <NavigationStyled color={color}>
            <ul>
                {menuItems.map(item => (
                    <li key={item.id}>
                        <Link href={item.slug}>
                            <a className={router.pathname === item.slug ? 'active' : '' }>{item.title}</a>
                        </Link>
                    </li>
                ))}
            </ul>
        </NavigationStyled>
    )
}

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